Lenses that support changes in the AF speed IS STM EF -S 35 mm f /2.8 Macro IS STM EF 85mm f/1.4L IS USM EF 70-200mm f /4 L IS II USM EF 70-200 mm f /2.8 L IS III USM EF 400 mm f /2.8 L IS III USM EF 600 mm f /2.8 IS III USM
Usable lenses: Lens Focal Length & Maximum Aperture EF1.4X III EF2X III EF 135mm f/2L USM 189mm f/2.8 270mm f/4 EF 180mm f/3.5L Macro USM 252mm f/4.5 360mm f/6.7 EF 200mm f/2.8L USM 280mm f/ 4 400 mm f /5.6 EF 200mm f /2.8 L II USM 280 mm f /4
EF400mm f/5.6L USM Other professional features are: a built-in lens hood with locking mechanism, dual manual focusing rings, a removable ring-type tripod mount, full-time manual focusing, and focus range selector for 3.5m to infinity or 8.5m to infinity. Extenders EF 1.4 X and EF 2X can be used with manual focusing.
A ring USM (Ultrasonic Motor) provides silent AF and full-time manual focusing. As the lens length does not change during focusing, accessories such as Macro Ring Light at the front end of the lens, can be easily operated. Maximum magnification can be increased either 1.4 X or 2X by using Extender EF 1.4 X or EF 2X.